hard20 pts · first answer countsjavascriptarraysdebugging

Comparator that returns a boolean

What does this print in Chrome or Node.js?

console.log([3, 1, 2].sort((a, b) => a > b))

A.[3, 1, 2]B.[1, 2, 3]C.[3, 2, 1]D.A TypeError, because the comparator must return a number